Gestione import date

script/importa.ps1

@@ -51,17 +51,27 @@ try {
     $columns = $data[0].PSObject.Properties.Name
     $columnList = ($columns | ForEach-Object { "[$_]" }) -join ","
     
+    # Function to format value for SQL
+    function Format-SqlValue {
+        param($value)
+        if ([string]::IsNullOrEmpty($value)) {
+            return "NULL"
+        }
+        # Try to parse as date
+        [datetime]$dateValue = [datetime]::MinValue
+        if ([datetime]::TryParse($value, [ref]$dateValue)) {
+            return "'" + $dateValue.ToString("yyyy-MM-dd HH:mm:ss") + "'"
+        }
+        return "'" + $value.Replace("'", "''") + "'"
+    }
+
     # Process each row
     foreach ($row in $data) {
         # Create value list for this row
         $values = @()
         foreach ($column in $columns) {
             $value = $row.$column
-            if ([string]::IsNullOrEmpty($value)) {
+            $values += Format-SqlValue $value
-                $values += "NULL"
-            } else {
-                $values += "'" + $value.Replace("'", "''") + "'"
-            }
         }
         
         # Create and execute insert query for this row